DE69518837D1 - POOR FRAME DETECTION - Google Patents

POOR FRAME DETECTION

Info

Publication number
DE69518837D1
DE69518837D1 DE69518837T DE69518837T DE69518837D1 DE 69518837 D1 DE69518837 D1 DE 69518837D1 DE 69518837 T DE69518837 T DE 69518837T DE 69518837 T DE69518837 T DE 69518837T DE 69518837 D1 DE69518837 D1 DE 69518837D1
Authority
DE
Germany
Prior art keywords
frame detection
poor frame
poor
detection
frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69518837T
Other languages
German (de)
Other versions
DE69518837T2 (en
Inventor
Karim Jamal
Fredrik Jansson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from SE9401462A external-priority patent/SE502244C2/en
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of DE69518837D1 publication Critical patent/DE69518837D1/en
Publication of DE69518837T2 publication Critical patent/DE69518837T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0057—Block codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0071—Use of interleaving
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H04L1/201—Frame classification, e.g. bad, good or erased
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Power Engineering (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Error Detection And Correction (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Mobile Radio Communication Systems (AREA)
DE69518837T 1994-04-28 1995-04-19 POOR FRAME DETECTION Expired - Fee Related DE69518837T2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9401462A SE502244C2 (en) 1993-06-11 1994-04-28 Method and apparatus for decoding audio signals in a system for mobile radio communication
SE9403386A SE504396C2 (en) 1994-04-28 1994-10-06 Detection of incorrectly received data frames in a communication system
PCT/SE1995/000423 WO1995030282A1 (en) 1994-04-28 1995-04-19 Bad frame detection

Publications (2)

Publication Number Publication Date
DE69518837D1 true DE69518837D1 (en) 2000-10-19
DE69518837T2 DE69518837T2 (en) 2001-01-11

Family

ID=26662044

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69518837T Expired - Fee Related DE69518837T2 (en) 1994-04-28 1995-04-19 POOR FRAME DETECTION

Country Status (13)

Country Link
US (1) US5901186A (en)
EP (1) EP0758502B1 (en)
JP (1) JPH09512679A (en)
KR (1) KR100301100B1 (en)
CN (1) CN1147320A (en)
AU (1) AU689893B2 (en)
BR (1) BR9507565A (en)
CA (1) CA2188122A1 (en)
DE (1) DE69518837T2 (en)
FI (1) FI964309A (en)
MX (1) MX9605118A (en)
SE (1) SE504396C2 (en)
WO (1) WO1995030282A1 (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI100566B (en) * 1996-01-24 1997-12-31 Nokia Telecommunications Oy Frame quality identification method and receiver
JP3340618B2 (en) * 1996-04-19 2002-11-05 松下電器産業株式会社 Error detection method
FR2751813B1 (en) * 1996-07-29 1999-01-08 Alcatel Mobile Comm France METHOD AND DEVICE FOR ESTIMATING THE ACCEPTABLE OR NON-ACCEPTABLE NATURE OF INFORMATION BLOCKS RECEIVED VIA A TRANSMISSION SYSTEM USING BLOCK CODING
FI116181B (en) * 1997-02-07 2005-09-30 Nokia Corp Information coding method utilizing error correction and error identification and devices
DE19706749C1 (en) * 1997-02-20 1998-08-13 Siemens Ag Transmission error detection in method GSM mobile radio system
WO1998038764A1 (en) * 1997-02-27 1998-09-03 Siemens Aktiengesellschaft Frame-error detection method and device for error masking, specially in gsm transmissions
DE19716147A1 (en) * 1997-04-17 1998-10-22 Alsthom Cge Alcatel Method and device for fault concealment in digital transmission systems
AU3351499A (en) * 1998-03-30 1999-10-18 Telefonaktiebolaget Lm Ericsson (Publ) An interleaving scheme for blocks in a packet switched system
FI105734B (en) * 1998-07-03 2000-09-29 Nokia Networks Oy Automatic retransmission
GB2343778B (en) * 1998-11-13 2003-03-05 Motorola Ltd Processing received data in a distributed speech recognition process
US6298084B1 (en) * 1998-11-24 2001-10-02 Motorola, Inc. Bad frame detector and turbo decoder
US6366624B1 (en) * 1998-11-30 2002-04-02 Ericsson Inc. Systems and methods for receiving a modulated signal containing encoded and unencoded bits using multi-pass demodulation
JP2000201086A (en) * 1999-01-07 2000-07-18 Sony Corp Data receiver and data receiving method
DE19921504A1 (en) * 1999-05-10 2000-11-23 Alcatel Sa Method and circuit arrangement for determining quality information about the transmission quality of a speech signal in a digital transmission system
US7124193B1 (en) * 2000-08-24 2006-10-17 At&T Corp. Method of using link adaptation and power control for streaming services in wireless networks
US7069495B2 (en) 2000-10-30 2006-06-27 Telefonaktiebolaget Lm Ericsson (Publ) Bit error resilience for an internet protocol stack
US20020181407A1 (en) * 2001-03-28 2002-12-05 Anders Khullar Link quality control by using time dispersion information
GB0115728D0 (en) * 2001-06-28 2001-08-22 Astrium Ltd Improvements relating to data packet error detection
US7127663B2 (en) * 2003-08-28 2006-10-24 Qualcomm Incorporate Bad frame indicator for radio-telephone receivers in GSM mobile systems
GB2412278B (en) * 2004-03-16 2006-06-14 Motorola Inc Method and apparatus for classifying importance of encoded frames in a digital communications system
CN100418144C (en) * 2004-04-13 2008-09-10 建兴电子科技股份有限公司 Electronic device with placing angle sensing function and method for selecting operation mode
FI20045318A0 (en) * 2004-09-01 2004-09-01 Nokia Corp A communication system, a receiver, and a method for evaluating the quality of the received signal
US7434117B1 (en) * 2005-10-28 2008-10-07 Mediatek Inc. Method and apparatus of determining bad frame indication for speech service in a wireless communication system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4541091A (en) * 1982-06-11 1985-09-10 Hitachi, Ltd. Code error detection and correction method and apparatus
CA1265250A (en) * 1985-03-04 1990-01-30 Alan Douglas Clark Data transmission
JPS6333028A (en) * 1986-07-26 1988-02-12 Nec Corp Signal detection system
US5220568A (en) * 1988-05-31 1993-06-15 Eastman Kodak Company Shift correcting code for channel encoded data
US5113400A (en) * 1990-11-21 1992-05-12 Motorola, Inc. Error detection system
US5255343A (en) * 1992-06-26 1993-10-19 Northern Telecom Limited Method for detecting and masking bad frames in coded speech signals

Also Published As

Publication number Publication date
BR9507565A (en) 1997-08-05
AU689893B2 (en) 1998-04-09
US5901186A (en) 1999-05-04
SE504396C2 (en) 1997-01-27
SE9403386D0 (en) 1994-10-06
MX9605118A (en) 1997-12-31
DE69518837T2 (en) 2001-01-11
EP0758502A1 (en) 1997-02-19
KR100301100B1 (en) 2001-10-26
JPH09512679A (en) 1997-12-16
AU2422295A (en) 1995-11-29
FI964309A0 (en) 1996-10-25
FI964309A (en) 1996-12-18
CA2188122A1 (en) 1995-11-09
WO1995030282A1 (en) 1995-11-09
SE9403386L (en) 1995-10-29
CN1147320A (en) 1997-04-09
EP0758502B1 (en) 2000-09-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee